[oc] Re: mirror - Domain names

[Andreas Bombe <bombe@informatik.tu-muenchen.de>]

On Mon, Jan 21, 2002 at 08:46:03AM +0100, Damjan Lampret wrote:
> 
> ----- Original Message -----
> From: <jdalton@bigfoot.com.au>
> To: <cores@opencores.org>
> Sent: Monday, January 21, 2002 5:12 AM
> Subject: Re: [oc] mirror - Domain names
>
> > One option would be to use a country code as the sub name.  For
> > example, as US server would be: us.opencores.org,
> > an Indonesian server would be: id.opencores.org,
> > and so on.  How to handle multiple servers in a country?
> > Perhaps us1, us2, us3,... and so on?
> >
> > Of course there is no reason why subdomains should be
> > geographically based.  Geographic names do have the
> > advantage though of letting people chose a server
> > closest to them.  Any suggestions for better naming schemes?
> 
> I don't have any. Unless we hear something much better, I'd say lets use it.

www.cc.name.org (where cc is the country code) is the way I usually see
it done (Debian, kernel.org, PGP keyservers, IRC networks, ...).

> > Getting more sophisticated, would it be possible to have the
> > name 'www.opencores.org' automatically resolve to the nearest
> > server for each user?  In this case, the main server should still
> > have a fixed name (home.opencores.org?) so auto
> > redirection can be bypassed in case of problems.
> 
> Don't how this is done. But I suspect it isn't so simple. Does anyone know?

The DNS server needs to respond with different addresses depending on
the requester's IP address.  Apart from software support, that requires
building a network mapping table that makes sense, which would be quite
some work I guess.

See question 5.23 of the BIND FAQ for some slightly hackish ways to do
it with standard BIND.  There are commercial (and maybe free) servers
which let you do it directly.

-- 
Andreas Bombe <bombe@informatik.tu-muenchen.de>    DSA key 0x04880A44
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